Home / 38,672.67-53,370.39-21,682.37

Finding the Fourth Proportional to 38,672.67, 53,370.39 and 21,682.37

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Solution

The fourth proportional to 38,672.67, 53,370.39 and 21,682.37 is: 29,922.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,672.67 : 53,370.39 = 21,682.37 : x
  2. Step 2: Convert to fraction form
    38,672.67/53,370.39 = 21,682.37/x
  3. Step 3: Cross multiply
    38,672.67x = 53,370.39 × 21,682.37
  4. Step 4: Simplify right side
    38,672.67x = 1,157,196,276.17
  5. Step 5: Solve for x
    x = 1,157,196,276.17/38,672.67
  6. Step 6: Final answer
    x = 29,922.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.